Answer this question truthfully
### Question: When to seek urgent medical care when I have Mouth sores ?
### Response: Call your doctor if:
The sore begins soon after you start a new medication You have large white patches on the roof of your mouth or your tongue (this may be thrush or another type of infection) Your mouth sore lasts longer than 2 weeks You have a weakened immune system (for example, from HIV or cancer) You have other symptoms like fever, skin rash, drooling, or difficulty swallowing